Qabus ibn al-Mundhir (; in Greek sources Καβόσης, Kaboses) was the king of the Lakhmid Arabs from 569 to 573. Origin of his Name The name Qabus derives from the Arabic triconsonantal root q-b-s (ق-ب-س), meaning fire, a burning brand, or a live ember.Ibn Manzur (1994). Lisan al-Arab (in Arabic). Vol. 6. Beirut: Dar Sader. p. 165.Al-Firuzabadi (2005). Al-Qamus al-Muhit (in Arabic). Beirut: Al-Resalah. p. 553.Ibn Duraid (1987). Jamharat al-Lugha (in Arabic). Vol. 1. Beirut: Dar al-Ilm Lilmalayin. p. 488. In classical Arabic lexicography, the fa'ul morphological pattern of this root denotes a man with a bright, handsome, and radiant face.Al-Zabidi (1965). Taj al-Arus Min Jawahir al-Qamus (in Arabic). Vol. 16. Kuwait: Ministry of Information. p. 336.Ibn Manzur (1994). Lisan al-Arab. Vol. 6. p. 166.Al-Jawhari (1990). Al-Sihah: Taj al-Lugha wa Sihah al-Arabiya (in Arabic). Vol. 3. Beirut: Dar al-Ilm Lilmalayin. p. 954. Ascending to the throne He succeeded his brother 'Amr III ibn al-Mundhir (r. 554–569).
End of his reign Not much is known of his reign except that he suffered a heavy defeat at the hands of the rival Byzantine-sponsored Ghassanid tribe under Al-Mundhir III ibn al-Harith in 570. After his death, the Lakhmids were ruled by a Persian governor for a year, until Qabus' brother al-Mundhir IV ibn al-Mundhir (r. 574–580) ascended to the throne.
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